“Demand for food is rising, and the world’s farmers are struggling to keep up. It’s time for a new green revolution.

“Forty years ago, we defused the the Population Bomb with the Green Revolution. Modern fertilizers, pesticides, and herbicides boosted crop yield and fed an expanding population. But now the chemical age of agriculture is running out of juice. Yields—production per acre—have gone flat while demand is rising faster than ever…”